feat: resource_pressure - disk free, CPU freq/throttle/temp, GPU temp via nvidia-smi

server/web/src/context/WebSocketProvider.tsx

@@ -114,6 +114,15 @@ export function WebSocketProvider({ children }: { children: React.ReactNode }) {
                           (update.shares_accepted ?? a.shares_good)
                       ),
                       status: 'online' as const,
+                      ...(update.cpu_freq_mhz !== undefined ? { cpu_freq_mhz: update.cpu_freq_mhz } : {}),
+                      ...(update.cpu_max_mhz !== undefined ? { cpu_max_mhz: update.cpu_max_mhz } : {}),
+                      ...(update.cpu_throttle !== undefined ? { cpu_throttle: update.cpu_throttle } : {}),
+                      ...(update.cpu_temp_c !== undefined ? { cpu_temp_c: update.cpu_temp_c } : {}),
+                      ...(update.disk_free_gb !== undefined ? { disk_free_gb: update.disk_free_gb } : {}),
+                      ...(update.disk_total_gb !== undefined ? { disk_total_gb: update.disk_total_gb } : {}),
+                      ...(update.disk_free_pct !== undefined ? { disk_free_pct: update.disk_free_pct } : {}),
+                      ...(update.gpu_temp_c !== undefined ? { gpu_temp_c: update.gpu_temp_c } : {}),
+                      ...(update.gpu_usage_pct !== undefined ? { gpu_usage_pct: update.gpu_usage_pct } : {}),
                       ...(update.ssh_available !== undefined ? { ssh_available: update.ssh_available } : {}),
                       ...(update.posture_score !== undefined ? { posture_score: update.posture_score } : {}),
                       ...(update.last_patch_days !== undefined ? { last_patch_days: update.last_patch_days } : {}),

server/web/src/pages/CruciblePage.css

@@ -226,6 +226,21 @@
   50%       { opacity: 0.45; }
 }
 
+/* ── Resource pressure badges ─────────────────────────────────────────────── */
+.cn-thermal, .cn-disk, .cn-throttle {
+  font-size: 0.62rem;
+  font-family: var(--font-tech);
+  padding: 1px 4px;
+  border-radius: 3px;
+  letter-spacing: 0.04em;
+  cursor: default;
+}
+.cn-thermal.therm-hot  { color: #ff3333; background: rgba(255,51,51,0.14); font-weight: 700; animation: rb-blink 1.6s step-end infinite; }
+.cn-thermal.therm-warm { color: var(--neon-amber); background: rgba(255,176,32,0.1); }
+.cn-disk.disk-crit     { color: #ff3333; background: rgba(255,51,51,0.14); font-weight: 700; }
+.cn-disk.disk-warn     { color: var(--neon-amber); background: rgba(255,176,32,0.1); }
+.cn-throttle.therm-warm{ color: var(--neon-amber); background: rgba(255,176,32,0.1); }
+
 /* ── T1007 service row ─────────────────────────────────────────────────────── */
 .cn-services {
   display: flex;

server/web/src/pages/CruciblePage.tsx

@@ -78,6 +78,20 @@ function postureTooltip(agent: Agent): string {
   if (agent.reboot_pending !== undefined) {
     lines.push(`Reboot required: ${agent.reboot_pending ? 'YES ⚠' : 'no ✓'}`);
   }
+  // Resource pressure
+  const tempLabel = agent.gpu_temp_c !== undefined ? `GPU ${agent.gpu_temp_c}°C` : agent.cpu_temp_c !== undefined ? `CPU ${agent.cpu_temp_c}°C` : null;
+  if (tempLabel || agent.disk_free_pct !== undefined || agent.cpu_throttle !== undefined) {
+    lines.push('──────────────────────');
+    if (tempLabel) lines.push(`Temp: ${tempLabel}${agent.cpu_throttle ? '  THROTTLED' : ''}`);
+    if (agent.disk_free_pct !== undefined) {
+      lines.push(`Disk: ${agent.disk_free_gb?.toFixed(1) ?? '?'} GB free  (${agent.disk_free_pct}% of ${agent.disk_total_gb?.toFixed(0) ?? '?'} GB)`);
+    }
+    if (agent.cpu_freq_mhz && agent.cpu_max_mhz) {
+      lines.push(`CPU freq: ${agent.cpu_freq_mhz} / ${agent.cpu_max_mhz} MHz`);
+    }
+    if (agent.gpu_usage_pct !== undefined) lines.push(`GPU util: ${agent.gpu_usage_pct}%`);
+  }
+
   if (agent.services?.length) {
     lines.push('──────────────────────');
     lines.push('Services (T1007):');
@@ -102,7 +116,34 @@ function pendingBadge(agent: Agent): { label: string; cls: string } | null {
 function rebootBadge(agent: Agent): { label: string; cls: string } | null {
   if (agent.reboot_pending === undefined) return null;
   if (agent.reboot_pending) return { label: 'REBOOT!', cls: 'rb-pending' };
-  return null; // no badge when not pending — cleaner UI
+  return null;
+}
+
+// ── Resource pressure badges ───────────────────────────────────────────────
+
+function thermalBadge(agent: Agent): { label: string; cls: string } | null {
+  const t = agent.gpu_temp_c ?? agent.cpu_temp_c;
+  if (t === undefined) return null;
+  if (t > 80) return { label: `${t}°`, cls: 'therm-hot' };
+  if (t > 65) return { label: `${t}°`, cls: 'therm-warm' };
+  return null; // cool enough — no badge clutter
+}
+
+function diskBadge(agent: Agent): { label: string; cls: string } | null {
+  const pct = agent.disk_free_pct;
+  if (pct === undefined) return null;
+  if (pct < 5)  return { label: `DISK ${pct}%`,  cls: 'disk-crit' };
+  if (pct < 15) return { label: `DISK ${pct}%`,  cls: 'disk-warn' };
+  return null; // plenty of space — no badge
+}
+
+function throttleBadge(agent: Agent): { label: string; cls: string } | null {
+  if (!agent.cpu_throttle) return null;
+  const pct = agent.cpu_freq_mhz && agent.cpu_max_mhz
+    ? Math.round(agent.cpu_freq_mhz / agent.cpu_max_mhz * 100)
+    : null;
+  const label = pct !== null ? `THRTTL ${pct}%` : 'THRTTL';
+  return { label, cls: 'therm-warm' };
 }
 
 // ── Service helpers (T1007) ────────────────────────────────────────────────
@@ -516,6 +557,24 @@ export default function CruciblePage() {
                       {a.agent_elevated && (
                         <div className="cn-elevated" title="Running as Administrator / root">ADMIN</div>
                       )}
+                      {(() => { const tb = thermalBadge(a); return tb && (
+                        <div
+                          className={`cn-thermal ${tb.cls}`}
+                          title={`CPU: ${a.cpu_temp_c ?? '?'}°C  GPU: ${a.gpu_temp_c ?? '?'}°C`}
+                        >{tb.label}</div>
+                      ); })()}
+                      {(() => { const db = diskBadge(a); return db && (
+                        <div
+                          className={`cn-disk ${db.cls}`}
+                          title={`Disk: ${a.disk_free_gb?.toFixed(1) ?? '?'} GB free of ${a.disk_total_gb?.toFixed(0) ?? '?'} GB`}
+                        >{db.label}</div>
+                      ); })()}
+                      {(() => { const trb = throttleBadge(a); return trb && (
+                        <div
+                          className={`cn-throttle ${trb.cls}`}
+                          title={`CPU running at ${a.cpu_freq_mhz ?? '?'} MHz (max ${a.cpu_max_mhz ?? '?'} MHz)`}
+                        >{trb.label}</div>
+                      ); })()}
                     </div>
                     {a.services && a.services.length > 0 && (
                       <div className="cn-services">

server/web/src/pages/DashboardPage.tsx

@@ -171,6 +171,35 @@ export default function DashboardPage() {
     return Math.round((times.length / spanMs) * 3_600_000);
   }, [shares]);
 
+  // ── Resource pressure fleet stats ─────────────────────────────────────────
+  const onlineAgents = useMemo(() => agents.filter(a => a.status === 'online'), [agents]);
+
+  const hottestNode = useMemo(() => {
+    let best: typeof agents[0] | null = null;
+    let max = -Infinity;
+    for (const a of onlineAgents) {
+      const t = a.gpu_temp_c ?? a.cpu_temp_c ?? -1;
+      if (t > max) { max = t; best = a; }
+    }
+    return best && max > 0 ? { agent: best, temp: max } : null;
+  }, [onlineAgents]);
+
+  const minDiskNode = useMemo(() => {
+    let best: typeof agents[0] | null = null;
+    let min = Infinity;
+    for (const a of onlineAgents) {
+      if (a.disk_free_pct !== undefined && a.disk_free_pct < min) {
+        min = a.disk_free_pct; best = a;
+      }
+    }
+    return best ? { agent: best, pct: min } : null;
+  }, [onlineAgents]);
+
+  const throttledCount = useMemo(
+    () => onlineAgents.filter(a => a.cpu_throttle).length,
+    [onlineAgents]
+  );
+
   // ── Analytics ─────────────────────────────────────────────────────────────
   const fleetHealth = useMemo(() => computeFleetHealth(agents, pools), [agents, pools]);
   const contribs = useMemo(() => contributionBars(agents), [agents]);
@@ -349,6 +378,69 @@ export default function DashboardPage() {
           </div>
           <div className="stat-sub">{totalShares.toLocaleString()} total submitted</div>
         </NeonCard>
+
+        {/* ── Resource Pressure cards ──────────────────────────────────────── */}
+        <NeonCard
+          accent={hottestNode && hottestNode.temp > 80 ? 'amber' : 'cyan'}
+          className="stat-card-wrap"
+        >
+          <div className="stat-label font-tech">Hottest Node</div>
+          {hottestNode ? (
+            <>
+              <div className={`stat-value ${hottestNode.temp > 80 ? 'neon-glow-amber' : 'neon-glow-cyan'}`}>
+                {hottestNode.temp}
+                <span className="stat-dim" style={{ fontSize: '0.8em' }}>°C</span>
+              </div>
+              <div className="stat-sub" title={hottestNode.agent.id}>
+                {hottestNode.agent.name.length > 14 ? hottestNode.agent.name.slice(0, 13) + '…' : hottestNode.agent.name}
+                {hottestNode.temp > 80 && ' ⚠'}
+              </div>
+            </>
+          ) : (
+            <>
+              <div className="stat-value stat-dim">—</div>
+              <div className="stat-sub">no temp data</div>
+            </>
+          )}
+        </NeonCard>
+
+        <NeonCard
+          accent={minDiskNode && minDiskNode.pct < 10 ? 'amber' : 'green'}
+          className="stat-card-wrap"
+        >
+          <div className="stat-label font-tech">Min Disk Free</div>
+          {minDiskNode ? (
+            <>
+              <div className={`stat-value ${minDiskNode.pct < 10 ? 'neon-glow-amber' : 'accepted'}`}>
+                {minDiskNode.pct}
+                <span className="stat-dim" style={{ fontSize: '0.8em' }}>%</span>
+              </div>
+              <div className="stat-sub" title={minDiskNode.agent.id}>
+                {minDiskNode.agent.name.length > 14 ? minDiskNode.agent.name.slice(0, 13) + '…' : minDiskNode.agent.name}
+                {minDiskNode.pct < 10 && ' ⚠ low'}
+              </div>
+            </>
+          ) : (
+            <>
+              <div className="stat-value stat-dim">—</div>
+              <div className="stat-sub">no disk data</div>
+            </>
+          )}
+        </NeonCard>
+
+        <NeonCard
+          accent={throttledCount > 0 ? 'amber' : 'purple'}
+          className="stat-card-wrap"
+        >
+          <div className="stat-label font-tech">CPU Throttled</div>
+          <div className={`stat-value ${throttledCount > 0 ? 'neon-glow-amber' : 'neon-glow-purple'}`}>
+            {throttledCount}
+            <span className="stat-dim" style={{ fontSize: '0.8em' }}> node{throttledCount !== 1 ? 's' : ''}</span>
+          </div>
+          <div className="stat-sub">
+            {throttledCount === 0 ? 'fleet running at full speed' : `${throttledCount} below 80% rated freq`}
+          </div>
+        </NeonCard>
       </div>
 
       {/* ── Analytics row — always visible ─────────────────────────────────── */}

server/web/src/types/index.ts

@@ -24,6 +24,17 @@ export interface Agent {
   arch?: string;
   os_version?: string;
   capabilities?: AgentCapabilities;
+  // Resource pressure
+  cpu_freq_mhz?: number;
+  cpu_max_mhz?: number;
+  cpu_throttle?: boolean;
+  cpu_temp_c?: number;
+  disk_free_gb?: number;
+  disk_total_gb?: number;
+  disk_free_pct?: number;
+  gpu_temp_c?: number;
+  gpu_usage_pct?: number;
+
   ssh_available?: boolean;
   posture_score?: number;
   last_patch_days?: number;

server/web/src/types/ws.ts

@@ -19,6 +19,16 @@ export interface WSStatsUpdate {
   uptime_seconds?: number;
   shares_submitted?: number;
   shares_accepted?: number;
+  // Resource pressure
+  cpu_freq_mhz?: number;
+  cpu_max_mhz?: number;
+  cpu_throttle?: boolean;
+  cpu_temp_c?: number;
+  disk_free_gb?: number;
+  disk_total_gb?: number;
+  disk_free_pct?: number;
+  gpu_temp_c?: number;
+  gpu_usage_pct?: number;
   ssh_available?: boolean;
   posture_score?: number;
   last_patch_days?: number;